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Cadmium-113

Properties and data of the isotope 113Cd.


Content

See also: list of Cadmium isotopes.

 

General data

Name of the isotope:Cadmium-113; Cd-113Symbol:113Cd or 11348CdMass number A:113 (= number of nucleons)Atomic number Z:48 (= number of protons)Neutrons N:65Isotopic mass:112.904408(3) u (atomic weight of Cadmium-113)Nuclide mass:112.8780776 u (calculated nuclear mass without electrons)Mass excess:-89.04337 MeVMass defect:1.034413076 u (per nucleus)Nuclear binding energy:963.54957382 MeV (per nucleus)
8.52698738 MeV (average binding energy per nucleon)
Separation energy:SN = 6.53974(22) MeV (first neutron)
SP = 9.7485(24) MeV (first proton)
Half-life:8.04(5) × 1015 aDecay constant λ:2.733775237523 × 10-24 s-1Specific activity α:0.014699267464083 Bq g-1
3.972774990292 × 10-13 Ci g-1
Spin and parity:
(nuclear angular momentum)
1/2+Magnetic dipole moment:μ(μN) = -0.6213(3)Charge radius:4.6012(28) femtometer fmYear of discovery:1925

 

Radioactive Decay

Half-life T½ = 8.04(5) × 1015 a respectively 2.5354944 × 1023 seconds s.

Decay modeDaughterProbabilityDecay energyγ energy
(intensity)
β-113In100 %0.32383(26) MeV

 

Parent Nuclides

Direct parent isotope is: 113Ag.

 

Occurrence

Comparison of the natural Cadmium isotopes including isotopic abundance (mole fraction of the isotope mixture in percent):

 

Atomic Mass maQuantityHalf-lifeSpin
Cadmium
Isotopic mixture
112.414 u100 %
Isotope 106Cd105.906460(8) u1.245(22) %stable0+
Isotope 108Cd107.904183(8) u0.888(11) %stable0+
Isotope 110Cd109.903007(4) u12.470(61) %stable0+
Isotope 111Cd110.904183(4) u12.795(12) %stable1/2+
Isotope 112Cd111.902763(4) u24.109(7) %stable0+
Isotope 113Cd112.904408(3) u12.227(7) %8.04(5) × 1015 a1/2+
Isotope 114Cd113.903365(3) u28.754(81) %stable0+
Isotope 116Cd115.904763(2) u7.512(54) %3.3(4) × 1019 a0+

 

NMR data

Nuclear magnetic properties of the NMR active Nuclide 113Cd

Isotope:113Cd-NMRQuantity:12.227(7) %Spin:1/2+Nuclearmagnetic moment
μ/μN:
-0.6213(3)Gyromagnetic ratio γ:5.9609 · 107 rad T-1 s-1Nuclear g-factor:gl = -1.2426Resonance frequency:v0 = 9.4871 at 1 TRelative Sensitivity:0.01106 (H0 = const.)
0.2228 (v0 = const.)
[related to 1H = 1.000]

 

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear IsomerExcitation EnergyHalf-lifeSpin
113mCd263.54(3) keV14.1(5) a11/2-

 

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 65) and isobaric (same nucleon number A = 113) with Cadmium-113. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

 

OZIsotone N = 65Isobar A = 113
36101Kr
37102Rb
38103Sr
39104Y
40105Zr
41106Nb113Nb
42107Mo113Mo
43108Tc113Tc
44109Ru113Ru
45110Rh113Rh
46111Pd113Pd
47112Ag113Ag
48113Cd113Cd
49114In113In
50115Sn113Sn
51116Sb113Sb
52117Te113Te
53118I113I
54119Xe113Xe
55120Cs113Cs
56121Ba
57122La
58123Ce
59124Pr
60125Nd
61126Pm

 

External data and identifiers

Adopted Levels, Gammas:NuDat 113Cd

 


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Last update: 2020-10-16


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